Design, build, test, install and commission subsea production systems. Allelectric building blocks for subsea new projects and. Reliability assessment of subsea control module and xmas tree configurations view consultancy project executed download chess engineering virtual office assistance evoa engineering support services on pdf subsea field development engineering support. Reliability analysis of the electrical control system of. With more than 50 years of experience in designing and building costefficient subsea production systems aker solutions has developed a comprehensive range of equipment and solutions. Reliability analysis methodology for oil and gas assets. The xmas tree valves are in most cases onoff valves. He has substantial experience of developing training courses and is a consultant to the european economic and social committee for standardising vocational skills. Dec 19, 2000 the subsea control module 100 is made up of a pressure dome 102, a valving module 104 and a base module 106. Subsea accumulator module sam provides subsea energy storage the hipps subsea control module hscm the hscm is the control point for all hipps module activities. Early involvement in the subsea arena begun for proserv in the 1980s with the design and prototype manufacture of our own subsea control module, using our in house spooltype control valves. The vertical face on the side of the scmmb is the interface with the incoming connections. To facilitate retrieval, it is installed on a subsea control module mounting base scmmb. The new recommended practice rp and text for an api standard will improve communication between members and strengthen the subsea control system community, reduce project lead and delivery times, remove repeated onetime engineering costs, improve reliability and.
The hydraulic distribution module hdm is the key a mong sdu design. Body controller, multiplexed signal module and remote. Reliability assessment of subsea control module and xmas. Subsea highspeed control system closing the control loop. The scm is compact and highlyconfigurable, providing reliable control and monitoring of subsea valves and instrumentation. Subsea instrumentation interface standardization in the. Technipfmc is a leading provider of subsea umbilicals, risers and flowlines surf infrastructure. Control module dimensions for standalone system ss 316. Bob has over 18 years experience in the oil and gas industry and specialises in control systems and training.
A control module can have other control modules within it. The panels enable safe and reliable operation of the xmas tree valves by providing hydraulic power and controls, and in some cases pneumatic controls. Removable control module in this setup, the control module is modular by means of rov mateable connectors and a ditto mechanical locking mechanism. Below is the workings of a rotator directional control valve dcv. Overview of subsea production systems linkedin slideshare. The data acquired is used by engineers to monitor which allows safe and efficient subsea production operations in all climates and water depths. Mcs master control station logics interlocks, sequences, etc arbitration redundant signals communication distribution unit subsea control module sci gateway cdu cdu scm a b scm a b scm a b scm a b scm a b integrated control system subsea vendor scope topsides subsea umbilical fibre opticcopperpower control bus topsides pcs. The global subsea control systems market is expected to grow at an estimated cagr of over 8% on account of increasing demand from developed as well as developing countries. Scm is defined as subsea control module very frequently. Module bcm is the core component for the realization of a broad range of functions. Subsea electronics module how is subsea electronics module. Subsea insolation valve ssiv national oilwell varco. Site received test for subsea control module free download as powerpoint presentation. Producing oil and gas from reservoirs located at long distances from land is a costly proposition that presents many challenges to offshore operators.
This option unfortunately requires more connectors which has an effect on cost a typical subsea connector can cost in excess of 2500. Generations of subsea control system challenges and solutions. It is designed for subsea operations in water depths up to 1,000 feet. Subsea control systems independent systems engineering. Generations of subsea control system challenges and. The difference between the two modules is in the systems they each control. Techni deliver services within product development and design. Subsea production control systems baker hughes, a ge company. Achieving this goal will result in subsea mateable interfaces as used in subsea control systems, which do not require predefinition in terms of the instrumentation to. The scms have a highly configurable and modular design using standardized parts. Extending the life of obsolete and unsupported subsea.
Subsea control module scm these modules control trees andor manifold valves, as well as collecting and transmitting subsea data to the master control stations. Sem is a dropin solution for sem150 that supports new sensor interfaces such as can bus and iwis. The topic reliability study of subsea control module with focus on statistical methods was chosen and the thesis is written with the guidance of my supervisor professor anne barros at the department of reliability, availability, maintainability and safety rams, faculty of production and quality engineering. Abb is a global leader of power solutions to the oil and gas industry and offers a range of specialized electrical power systems, drives and service for critical subsea production equipment.
Like our dt19 series differential pressure transmitters, the new miniature. Long offset control systems, which facilitate subsea tobreach field developments, with a particular reference to the statoil snohvit project. Body control module bcm integrated circuits and reference. A number of sequential operational steps take place during a normal retrieval process. The module provides control and monitoring of 12 hydraulic functions. Subsea control systems market size global industry report, 2025. Siis subsea instrumentation interface standardisation is a joint industry partnership jip with a goal of moving towards an open standard for subsea instrumentation. These, whilst initially adapted and evaluated for subsea use, did not show the degree of durability of the metal to metal shear. This chapter discusses four parts of subsea engineering. As deeper the oil and gas production goes more important the remote monitoring and control of the subsea assets become, and more reliable they need to be. August 14, 2015 october 29, 2015 systemssafety safety systems barrier management, directional control valve, functional safety, safety valves, subsea control module, subsea safety, subsea valves extraction of oil and gas from deep offshore reservoirs is a risky business and can result in serious accidents, such as the recent macando blowout. It acquires data from subsea sensors and provides control of the completion system through valve actuation. Above is the control schematic showing the interface with the subsea control module.
Introduction this norsok standard is based on the iso 628 petroleum and natural gas industries design and operation of subsea production systems series of standards this norsok standard includes specific requirements and recommendations that are not covered by iso 628 series of standards. Roxar subsea rov retrieval system emerson electric. Introduction to subsea engineering for electrical engineers anthony k. A subsea control module system 10 comprising control modules 20, 30 for controlling a subsea device 2. We develop, engineer, manufacture and install umbilicals, rigid pipelines and flexible pipes, connections and tieins for subsea systems.
Drilquips subsea electronics module sem is the intelligence hub of the subsea control module. The design allows for replacement and retrieval of a subsea control module with a single remotely operated vehicle rov deployment from a vessel. The deepwater control module installs into a mount. Body control module market by functionality, electric vehicle. The module is microprocessorbased 16 bit for an optimal combination of capability, reliability and simplicity. Iwocs can be configured to control one or more of the following operational modes. The 2nd generation dc allelectric subsea production control.
The integrated system provides the requisite monitoring, control and shutdown functions for subsea production wells, injection wells, manifolds, pipeline. The subsea control module is the core equipment of the subsea production system, and its electrical control system plays a large role in the failure modes of the subsea control module. Subsea electronic modules sem the sems monitor and control such subsea production equipment as trees. Subsea control module mounting base scmmb oilfieldwiki. Pid controllers with logic deadband gainschedulig 3. Scm subsea control module scmmb scm mounting base scr subsea control room scu subsea control unit sdu subsea distribution unit sem subsea electronic module spcu subsea power and communication unit tt temperature transmitter tutu topside umbilical termination unit ups uninterrupted power supply 1. Home company location support core expertise projects partners. Jupiter 2 building on the success of the original jupiter subsea control system technology, jupiter 2 provides a range of compact, low cost, scalable solutions designed expressly for remote. Nebb delivers complete control systems for subsea systems, including topside control rooms. Reliability assessment of subsea control module and xmas tree configurations view consultancy project executed download chess engineering virtual office assistance evoa engineering support services on pdf subsea. A unifying approach capturing the overall system dynamics will be presented via a systemofsystems approach enabled through low dimensional models. Subsea router module srm with point to point ethernet. The subsea control module scm is a lowcost multiplex electrohydraulic solution for subsea infrastructure mounted applications.
For the subsea bop electrical control system used in the current work, the 3210 and 320 input voting schemes are available. Shallow water control module is attached to the tree with a simple diverassisted latch mechanism. A header includes several onoff automatic block valves, which coordinates and directs flow to one or several destinations based upon the set point directed to the header control module. All jupiter subsea control systems are delivered as standard rated for operation at 4,000msw and utilise the same field proven jupiter software link this. Subsea electronics module our rugged subsea electronics module sem is designed for installation in our modular subsea control systems. Option c is likely to be the preferred option for multiple sensors it has the advantage. An iwocs is a temporary control system used to commission, workover, troubleshoot, or decommission subsea wells. Reliability study of subsea control module with focus on.
Study on hydraulic system of test stand for subsea control. App eapp history module application module local control network level 2 switch network enim interface. Increasing subsea drilling activities in various countries are expected to foster the product demand over the forecast period. The control system may interface with the actuated subsea equipment directly or via a subsea control module. Installation and docking technology of control module for. First world wide subsea raw seawater injection system in. In addition to our existing single port and differential subsea control module scm sensors designs, we are now offering our new mini pod sensor for use on subsea manifold systems where system and safety critical hydraulic pressure sensors are required. U001 subsea production systems edition 4, october 2015. The roxar subsea rov retrieval system has been designed for simple retrieval of existing monitoring devices as well as installation of new instrumentation on subsea production systems. New interface protocols drive communication efficiencies. The additional connectors also use valuable real estate on the scm. As a proven leader in control system reliability and.
Power supply external control power circuit dr1 dr2 dr3 dr4. An upwardly extending axial mandrel 107 is provided to facilitate an attachment point for a tow line or buoyancy module. A wellhead control panel whcp is the main part of a safety system on a production platform or production location. The scmmb is the interface between the scm and the subsea christmas treemanifold valves and remote sensors. Control module motor driver low voltage power supply high voltage power supply battery module dynamic brake stackable modules enables easy reconfiguration future flexibility with reduced need for redesign and requalification thermal management through direct convection to seawater through enclosure for each module. Applications, functions and components system description. Production control systems firmenkontaktmesse magdeburg. Subsea installation and maintenance linkedin slideshare. This central control unit can combine clas sic power. Chess subsea engineering uk limited is registered in england registration number 9616564 and having its registered office at london, erith, kenth, dzda18, united kingdom. Control signal hpu hidraulic power unit mcs master control station vsd variable speed drive sem subsea electronic module 1.
Pdf reliability study of subsea control module with. Introduction to subsea engineering for electrical engineers. Subsea control unit add additional control lines to your system the subsea control unit combines premium hydraulic control valves with the interface of the most common subsea electrical connectors. Adjustable current limit of smart power switches rev. Highspeed control valve stepless operation time 0100% subsea electronic module with implemented software. An ecm only controls engine functions such as fuel and igni tion timing control. Body control module is the processorbased power distribution center that. One of the modules 20, 30 is an electric power control module 20 comprising a connection interface 22 with stab mate connectors 22a and further comprising a communication unit 25 for communication with other control modules 20, 30 and with the subsea. Subsea systems are inherently multidomain involving electromechanical, thermal, fluid and chemical systems.
This paper firstly explained the working principle of subsea control module scm and function and performance of the electrohydraulic control valves, and then mathematical model of the electrohydraulic control valve in scm was analyzed. Subsea control module how is subsea control module abbreviated. Semstar5 is our fifthgeneration subsea electronics module for production control systems it draws on design heritage and learning from over 25 years of subsea experience. Proservs electrohydraulic subsea control modules scms are a modular design concept and incorporate wellproven technology and qualified components to minimise both capex and opex costs. Subsea control system the subsea control system aids in dealing with the challenging environment subsea with its components to receive and transmit the data between the surface and subsea. Specialized equipment such as umbilical reels, hydraulic power units hpus, and winches are used to enable hydraulic and electrical control of subsea trees and related hardware. It is usually a welded structure, bolted and earth bonded to the frame of a subsea tree or manifold. The subsea control module can provide distributed electrical and hydraulic control functions via multiple directional control valve modules. Fmeca of subsea control module system and sub components by chess subsea engineering published updated april, 2017 this content is password protected. This arrangement ensures that in case of failure of an electronic component, an rov can remove and replace the entire module for maintenance without the need to remove the entire shpu. Semstar5 subsea electronics module baker hughes, a ge.
A control module is a collection of sensors, actuators, other control modules and associated processing equipment, which is operated as a single entity. Not only does it provide the needed control, but, more importantly, it enables feedback of. Initial subsea control system used inductive electrical couplers, which was a theoretically good. Multiplexing of valves are carried out to ensure limited amount of hydraulic fluid to operate a valve and to design sequential shutdowns. Subsea control module sea has developed a new low cost and short leadtime subsea control module to extend the life of marginal developments and latelife fields in the oil and gas sector. Also reduces comms load from c300 r431 sem 001 sem nnn subsea 16. Nebb is capable of delivering complete control systems for both permanent subsea installations and temporary equipment. Sdu is mainly composed ofhydraulic distribution module, electrical distribut ion module, umbilical terminals and infrastructure 23. The new recommended practice rp and text for an api standard will improve communication between members and strengthen the subsea control system community, reduce project lead and delivery times, remove repeated onetime engineering. Topside changes are only needed if customer wants to enable additional functionality. The test board was designed according to characters of hydraulic system of the test stand. The 2nd generation dc allelectric subsea production control system agenda introduction performance 1st generation lessons learnt inclusion state of the art communication concept 2nd generation qualificationapproachstatus summary 6.
The subsea control module and production tree are generally located in a remote location relative to the surface control equipment. Subsea accumulator module sam the sam, illustrated in figure 3, is the subsea unit that stores hydraulic fluid such that adequate pressure is always available to the subsea system even when other valves are being operated. Intervention workover control systems the purpose of the intervention workover control systems iwocs is to enable safe and efficient installation, intervention and completion work on subsea wells. A subsea control module for providing control of subsea equipment is provided.
Hdm is also an important part of subsea hydraulic control system, so the indepth study of. Sam is used to improve the hydraulic performance of the subsea control system in trees and manifolds. The design includes significant obsolescence management features for electronic components, as well as ruggedization features extensively qualified over and above the. Annulus vent gas monitoring optimising subsea assets. It is interconnected with the topside platform control equipment and all hipps valves, sensors and subsea accumulator modules. Site received test for subsea control module valve.
The design of hydraulic distribution module of subsea. Design, development and implementation of an addon subsea control system. Redundant supplies of communication signals and electrical and hydraulic power are transmitted through umbilical hoses and cables ranging from ft to several miles in length, linking surface equipment to subsea. Subsea control module with removable section and method. Jun 18, 20 the method includes configuring the fixed part of the control module to be attached to a pressure supply line for receiving a fluid under pressure. The subsea control module s may be configured to operatemonitor functions on each or several subsea xts, downhole functions andor manifold functions.
Electronic module upgrade sem is an improved sem solution designed to extend the life of fields with sem150 based scms. Subsea controls training course delivered in aberdeen. Study on hydraulic system of test stand for subsea control module. The course provides an overview of subsea systems modeling, dynamic analysis of subsea systems, and its robust control. One comprehensive resource for integrated subsea solutions. Fmeca of subsea control module system and sub components. Committee believes there are potential benefits of this technology in. The subsea technology used for offshore oil and gas production is a highly specialized field of application that places particular demands on engineering. The design incorporates pressure compensation for depths down to 9,850 ft 3,000 m and can be provided in fixed or retrievable configurations. Reliability analysis of the electrical control system of a subsea blowout preventer bop stack is carried out based on markov method. Subsea control module sea the lombard centre kirkhill place, dyce aberdeen ab21 0gu. This work aims to perform a quantitative and qualitative reliability study in a key and complex asset which is part of the subsea production system, the subsea control module scm. We understand the workings and criticality of our complete product portfolio and have a broad knowledge of trees, manifolds, wellheads, umbilicals, workover, and.
253 902 100 1154 617 221 409 1125 21 128 39 93 1224 485 1400 391 456 1173 188 260 1007 519 967 1325 870 505 1153 100 238 1228 1472 884 273 763 1290 1492 1149